Varun Saxena reassigned YARN-3761:

    Assignee: Varun Saxena

> Set delegation token service address at the server side
> -------------------------------------------------------
>                 Key: YARN-3761
>                 URL: https://issues.apache.org/jira/browse/YARN-3761
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: security
>            Reporter: Zhijie Shen
>            Assignee: Varun Saxena
> Nowadays, YARN components generate the delegation token without the service 
> address set, and leave it to the client to set. With our java client library, 
> it is usually fine. However, if users are using REST API, it's going to be a 
> problem: The delegation token is returned as a url string. It's so unfriendly 
> for the thin client to deserialize the url string, set the token service 
> address and serialize it again for further usage. If we move the task of 
> setting the service address to the server side, the client can get rid of 
> this trouble.

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